/* ========================================
   SINGLE (記事詳細)
======================================== */
.single-article{padding-top:0}
.single-hero{
    width:100%;height:60vh;min-height:400px;
    overflow:hidden;
}
.single-hero img{
    filter:brightness(.85) saturate(.9);
}
.single-wrap{
    max-width:720px;
    margin:0 auto;
    padding:48px 32px 80px;
}
.single-meta{
    display:flex;align-items:center;gap:16px;
    margin-bottom:20px;
}
.single-cat{
    font-size:10px;font-weight:700;letter-spacing:.12em;
    color:#6b9e7e;text-transform:uppercase;
}
.single-date{
    font-size:11px;color:#bbb;
}
.single-title{
    font-family:'Zen Old Mincho',serif;
    font-size:clamp(24px,3.5vw,36px);
    font-weight:700;line-height:1.6;
    margin-bottom:20px;
    letter-spacing:.02em;
}
.single-author{
    font-size:12px;color:#999;
    margin-bottom:48px;
    padding-bottom:32px;
    border-bottom:1px solid #eee;
}
.single-content{
    font-size:15px;line-height:2.2;color:#444;
}
.single-content p{margin-bottom:1.8em}
.single-content h2{
    font-family:'Zen Old Mincho',serif;
    font-size:22px;font-weight:700;
    margin:2.4em 0 .8em;
    line-height:1.6;
}
.single-content h3{
    font-size:18px;font-weight:700;
    margin:2em 0 .6em;
    line-height:1.6;
}
.single-content img{
    border-radius:8px;
    margin:2em 0;
}
.single-content a{
    color:#6b9e7e;
    text-decoration:underline;
    text-underline-offset:3px;
}
.single-content blockquote{
    border-left:3px solid #d4e4d9;
    padding:16px 24px;
    margin:2em 0;
    color:#666;
    font-style:italic;
}

/* 記事ナビゲーション */
.single-nav{
    display:grid;grid-template-columns:1fr 1fr;
    gap:20px;
    margin-top:64px;
    padding-top:32px;
    border-top:1px solid #eee;
}
.single-nav-item{
    display:flex;flex-direction:column;gap:6px;
    padding:16px 0;
    transition:color .3s;
}
.single-nav-item:hover{color:#6b9e7e}
.single-nav-label{font-size:10px;font-weight:600;letter-spacing:.1em;color:#ccc;text-transform:uppercase}
.single-nav-title{font-size:14px;font-weight:500;line-height:1.6}
.single-nav-next{text-align:right}